Compressors, Gas Turbines and Jet Engines The clearance volume of the air compressor is kept minimum because It results in minimum work It greatly affects volumetric efficiency It permits isothermal compression It allows maximum compression to be achieved It results in minimum work It greatly affects volumetric efficiency It permits isothermal compression It allows maximum compression to be achieved ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency and work ratio of a gas turbine plant can be increased by All of these Adding heat exchanger Reheating the air after partial expansion in the turbine Injecting water in/around combustion chamber All of these Adding heat exchanger Reheating the air after partial expansion in the turbine Injecting water in/around combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thermal efficiency of a gas turbine as compared to a diesel plant is Same Depends on other factors More Less Same Depends on other factors More Less ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Isothermal compression efficiency, even when running at high speed, can be approached by using Cold water spray Multistage compression Fully insulating the cylinder Both (A) and (B) above Cold water spray Multistage compression Fully insulating the cylinder Both (A) and (B) above ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The type of rotary compressor used in aeroplanes, is of Centrifugal type Radial flow type None of these Axial flow type Centrifugal type Radial flow type None of these Axial flow type ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, the flow of air is ________ to the axis of compressor. Perpendicular None of these Inclined Parallel Perpendicular None of these Inclined Parallel ANSWER DOWNLOAD EXAMIANS APP